694
domain: N
Properties
Digital Properties
- Digit Count
- 3
- Digit Sum
- 19
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 1044
- Proper Divisor Sum (Aliquot Sum)
- 350
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 346
- Möbius Function
- 1
- Radical
- 694
- Omega Function (Ω)
- 2
- Little Omega Function (ω)
- 2
Special
- Factorial
- no
- Catalan Number
- no
- Bell Number
- no
- Motzkin Number
- no
- Primorial
- no
Figurate Numbers
- Fibonacci Number
- no
- Triangular Number
- no
- Perfect Square
- no
- Perfect Cube
- no
- Pentagonal Number
- no
- Hexagonal Number
- no
- Lucas Number
- no
- Tetrahedral Number
- no
- Pell Number
- no
- Tribonacci Number
- no
- Pronic Number
- no
Recreational
- Happy Number
- yes
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 126
- Smith Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- yes
- Squarefree Number
- yes
- Prime Power
- no
- Prime Factorization
- no
- Twin Prime
- no
- Mersenne Prime
- no
- Sophie Germain Prime
- no
- Safe Prime
- no
- Powerful Number
- no
- Achilles Number
- no
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- yes
- Odd
- no
Names
- German
- sechshundertvierundneunzig· ordinal: sechshundertvierundneunzigste
- English
- six hundred ninety-four· ordinal: six hundred ninety-fourth
- Spanish
- seiscientos noventa y cuatro· ordinal: 694º
- French
- six cent quatre-vingt-quatorze· ordinal: six cent quatre-vingt-quatorzième
- Italian
- seicentonovantaquattro· ordinal: 694º
- Latin
- sescenti nonaginta quattuor· ordinal: 694.
- Portuguese
- seiscentos e noventa e quatro· ordinal: 694º
Appears in sequences
- a(n) is the number of compositions of n in which the maximal part is 3.at n=12A000100
- Number of inequivalent ways of placing n nonattacking rooks on n X n board up to rotations and reflections of the board.at n=6A000903
- A Fielder sequence.at n=10A001642
- Beginnings of periodic unitary aliquot sequences.at n=56A003062
- Triangular numbers written backwards.at n=31A004158
- Tetrahedral numbers written backwards.at n=30A004161
- a(n) = ceiling(1000*log(n)).at n=1A004242
- Centered triangular numbers: a(n) = 3*n*(n-1)/2 + 1.at n=21A005448
- Number of words of length n in a certain language.at n=17A005819
- Number of paraffins.at n=11A006001
- Number of partitions of n in which no part occurs just once.at n=34A007690
- Number of factorizations of permutations of n letters into ordered cycles.at n=5A007840
- Coordination sequence T1 for Zeolite Code ANA.at n=17A008031
- Coordination sequence T3 for Zeolite Code DOH.at n=16A008080
- Coordination sequence T4 for Zeolite Code GOO.at n=18A008114
- Coordination sequence T1 for Zeolite Code LTL.at n=20A008138
- Coordination sequence T4 for Zeolite Code MTW.at n=17A008199
- Least m such that the continued fraction for sqrt(m) has period n.at n=46A013646
- Chance of getting nothing, a pair, 2 pair, 3 of a kind, other straight, other flush, full house, 4 of a kind, other straight flush, or a royal flush in poker is 1 in a(n) (rounded to nearest integer).at n=6A014353
- Numbers k such that phi(k) + 4 | sigma(k + 4).at n=36A015783